1.

If 102 × 98 = x, then find the value of x. 1. 99562. 99863. 99264. 9996

Answer» Correct Answer - Option 4 : 9996

Given:

102 × 98 = x

Formula Used:

(a – b) × (a + b) = a2 – b2

Calculation:

102 × 98 = x

⇒ (100 + 2) × (100 – 2)

⇒ (100)2 – (2)2

⇒ 10000 – 4

⇒ 9996

∴ The value of x is 9996.



Discussion

No Comment Found

Related InterviewSolutions